Heating Systems
System

Heating Systems

High-efficiency, durable, and eco-friendly solid fuel manual and automatic loading central heating boilers.

High-Efficiency Heating Systems

With our wide product range, we offer the most suitable and high-efficiency solid fuel central heating boiler solutions for all kinds of spaces, from houses to large industrial facilities.

Natural World heating systems consist of boilers produced with high engineering technology, maximizing fuel savings and offering long-lasting use. Manual and automatic loading (with bunker) models are available according to different needs.

Specifications

Technical Specifications and Dimensions

1. DM 3K Series 29 KW - 110 KW Heating Boiler

Our manual loading sectional solid fuel central heating boiler series is an ideal solution for your individual heating needs with its easy use and high efficiency.

  • Manual Sectional: Sectional structure providing easy installation and maintenance.
  • Four-Pass: Reduces fuel consumption by maximizing heat transfer.
  • 3-Door Design: Provides easy cleaning, loading, and ash removal.
  • Automatic Temp Control & Digital Display: Precise operation and monitoring at the desired temperature.
  • Coal and Wood Burning: Supports multiple solid fuel types.

DM 3K Series Technical Dimensions Table

TYPE CAPACITY (kcal/h) DIMENSIONS (mm) Boiler Flow/Return Safety Flow/Return Boiler Fill/Drain Chimney Dia (mm) Working Press (max) Water Vol (lt) Coal Cap (kg) Weight (kg)
A B C
DM 25 25.000 530 1370 1370 1" 1" 1/2" 130 3 bar 75 50 250
DM 45 45.000 530 1370 1370 1" 1" 1/2" 130 3 bar 95 75 320
DM 60 60.000 530 1525 1525 1 1/4" 1" 1/2" 160 3 bar 135 105 360
DM 80 80.000 645 1485 1485 1 1/2" 1" 1/2" 160 3 bar 180 140 470
DM 100 100.000 645 1485 1485 1 1/2" 1" 1/2" 160 3 bar 220 210 590

2. KBY 3K Series 29 KW - 110 KW Heating Boiler

With its ash discharge and automatic water-cooled grate structure, it provides high comfort for those looking for an automatic loading (stoker-fired) central heating boiler.

  • Automatic Loading & Bunker: Effortless operation thanks to the fuel stoker system.
  • Ash Discharge: Increases maintenance comfort by automating ash cleaning.
  • Water-Cooled Grate and Four-Pass: Innovative grate structure providing high efficiency and heat savings.
  • Wood, Hazelnut Coal, Olive Pomace, Pellet: Suitable fuel types for different automatic feeding.
  • Digital Touch Screen: Easy operation panel and full control.

KBY 3K Series Technical Dimensions Table

TYPE CAPACITY (kcal/h) DIMENSIONS (mm) Boiler Flow/Return Safety Flow/Return Boiler Fill/Drain Chimney Dia (mm) Working Press (max) Water Vol (lt) Coal Cap (kg) Weight (kg)
A B C D E
KBY 25 25.000 555 1345 1485 630 975 1" 1" 1/2" 130 3 bar 90 45 345
KBY 40 45.000 555 1545 1485 700 975 1" 1" 1/2" 130 3 bar 108 45 395
KBY 60 60.000 555 1545 1485 800 975 1 1/4" 1" 1/2" 160 3 bar 145 45 480
KBY 80 80.000 650 1640 1105 925 1050 1 1/2" 1" 1/2" 160 3 bar 170 60 550
KBY 100 100.000 650 1640 1105 1025 1050 1 1/2" 1" 1/2" 160 3 bar 205 60 625

3. ODS Solid Fuel Heating Boiler

It is a versatile solid fuel central heating boiler with its automatic stoker and manual-use water-cooled grate structure.

  • Detachable Pot Bunker Coupled: Stoker mechanism that can be attached and detached as needed.
  • Five-Pass Flue Gas Path: Extraordinary heat transfer and minimum flue gas temperature.
  • 3-Door and Water-Cooled Grate: Highest efficiency in both manual and automatic use.
  • Wood, Hazelnut Coal, Olive Pomace, Pellet Burning: Flexible use with a wide range of fuels.

ODS Solid Fuel Technical Dimensions Table

TYPE CAPACITY (kcal/h) DIMENSIONS (mm) Boiler Flow/Return Safety Flow/Return Boiler Fill/Drain Chimney Dia (mm) Working Press (max) Water Vol (lt) Coal Cap (kg) Weight (kg)
A B C D E
ODS 25 25.000 555 1345 985 630 975 1" 1" 1/2" 130 3 bar 90 45 315
ODS 40 45.000 555 1545 985 800 975 1" 1" 1/2" 130 3 bar 108 45 365
ODS 60 60.000 555 1545 985 900 975 1 1/4" 1" 1/2" 160 3 bar 145 45 450
ODS 80 80.000 650 1640 1055 925 1050 1 1/2" 1" 1/2" 160 3 bar 170 60 520
ODS 100 100.000 650 1640 1055 1025 1050 1 1/2" 1" 1/2" 160 3 bar 205 60 595

4. MRK 140 KW - 590 KW Heating Boiler

Fully cylindrical automatic central system central heating boiler designed for large-scale buildings, residential complexes, and industrial facilities.

  • Central System Automatic: Fully automatic stoker-fired central heating in large capacities.
  • Fully Cylindrical & Smoke Tube: High pressure-resistant and highly efficient structure with three-pass design.
  • Prismatic and Cylindrical Models: Prismatic model option up to 250,000 kcal/h, cylindrical model option for 300,000 kcal/h and above.
  • Hazelnut Coal Burning: Fuel efficiency of automatic feeding central system.

MRK 140 KW - 590 KW Technical Dimensions Table

TYPE CAPACITY (kcal/h) DIMENSIONS (mm) Boiler Flow/Return Safety Flow/Return Boiler Fill/Drain Chimney Dia (mm) Working Press (max) Water Vol (lt) Coal Cap (kg) Weight (kg)
A B C D E F
MRK/S - 130 130.000 750 1660 1450 1625 1100 - 2" 1 1/2" 1/2" 220 3 bar 325 200 840
MRK/S - 160 160.000 750 1660 1405 1820 1100 - 2" 1 1/2" 1/2" 220 3 bar 395 200 950
MRK/S - 180 180.000 850 1660 1550 1820 1100 - 2" 1 1/2" 1/2" 220 3 bar 485 200 1050
MRK/S - 200 200.000 850 1660 1550 1920 1100 - 2" 1 1/2" 1/2" 220 3 bar 550 200 1160
MRK/S - 250 250.000 950 1660 1650 1920 1100 - 2 1/2" 1 1/2" 1/2" 220 3 bar 640 200 1320
MRK/S - 300 300.000 1575 1950 2475 2690 1400 1600 DN 80 1 1/2" 3/4" 300 4 bar 1700 350 2595
MRK/S - 350 350.000 1650 2020 2600 2690 1480 1600 DN 80 1 1/2" 3/4" 350 4 bar 1900 350 2890
MRK/S - 400 400.000 1650 2020 1550 2690 1480 1850 DN 80 2" 3/4" 350 4 bar 1950 350 2980
MRK/S - 450 450.000 1790 2150 2650 2690 1580 1850 DN 100 2" 3/4" 350 4 bar 2445 350 3400
MRK/S - 500 500.000 1790 2150 2750 2690 1580 1850 DN 100 2" 3/4" 380 4 bar 2620 350 3710